4ca3a98b738f09c46b8d29148b67e8aef1e2a15ac0999a39ea1b1d73705100ff

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
16/03/2024, 10:26

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General

Target

cdd103d062de3feec3ff55f04fd90bcb.dll
Size

607KB
MD5

cdd103d062de3feec3ff55f04fd90bcb
SHA1

d3297664fffc5608c07cfba3c4960b1b3411c87e
SHA256

4ca3a98b738f09c46b8d29148b67e8aef1e2a15ac0999a39ea1b1d73705100ff
SHA512

206d0325d249bfabfb3f9fdf1fe476769d99c47f14097a36587477506ef2ad873f322a952f48f3ec60a22d44fa003058f9c4e99b690838e442a20e59f7b7804f
SSDEEP

12288:qpIt9HX65cspWkY5DARyLuaIg3QaovrdnskILID0U/:qetFXsoB7LGnaovrzILID0U

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cdd103d062de3feec3ff55f04fd90bcb.iwc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cdd103d062de3feec3ff55f04fd90bcb.iwc\ = "iwc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cdd103d062de3feec3ff55f04fd90bcb.iwc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}\ = "iwc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cdd103d062de3feec3ff55f04fd90bcb.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cdd103d062de3feec3ff55f04fd90bcb.iwc\Clsid\ = "{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-BE8D-C29A-16C8-9621A85FAEC5}\ProgID\ = "cdd103d062de3feec3ff55f04fd90bcb.iwc"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1940	2208	regsvr32.exe	28
PID 2208 wrote to memory of 1940	2208	regsvr32.exe	28
PID 2208 wrote to memory of 1940	2208	regsvr32.exe	28
PID 2208 wrote to memory of 1940	2208	regsvr32.exe	28
PID 2208 wrote to memory of 1940	2208	regsvr32.exe	28
PID 2208 wrote to memory of 1940	2208	regsvr32.exe	28
PID 2208 wrote to memory of 1940	2208	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cdd103d062de3feec3ff55f04fd90bcb.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\cdd103d062de3feec3ff55f04fd90bcb.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1940-0-0x0000000000DC0000-0x0000000000E5D000-memory.dmp

Filesize
628KB

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